Home / 386,670.51-533,602.35-214,586.82

Finding the Fourth Proportional to 386,670.51, 533,602.35 and 214,586.82

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Solution

The fourth proportional to 386,670.51, 533,602.35 and 214,586.82 is: 296,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,670.51 : 533,602.35 = 214,586.82 : x
  2. Step 2: Convert to fraction form
    386,670.51/533,602.35 = 214,586.82/x
  3. Step 3: Cross multiply
    386,670.51x = 533,602.35 × 214,586.82
  4. Step 4: Simplify right side
    386,670.51x = 114,504,031,431.03
  5. Step 5: Solve for x
    x = 114,504,031,431.03/386,670.51
  6. Step 6: Final answer
    x = 296,128.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.